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Image of the Day: Salmonella infantis

4th March 2013


 

 salmonella infantis

 

This scanning electron micrograph (SEM) depicts two highly magnified rod-shaped, motile, Gram-negative Salmonella infantis bacteria, which are attached; Magnification 23228x.

Clinical features of ”Salmonellosis” include fever, abdominal cramps, and diarrhea, which is sometimes bloody. Occasionally these bacteria can establish a localized infection such as septic arthritis, or can even progress to sepsis, which occurs due to the systemic spread of these pathogens. The etiologic agents are members of the Gram-negative family of bacteria Enterobacteriaceae, of which approximately 2000 serotypes cause human disease, including Salmonella infantis. The incidence of salmonellosis is estimated at 1.4 million cases occurring annually in the United States, and of these, approximately 30,000 are culture-confirmed cases reported to CDC.





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